<html lang="zh-CN">
<body>
<meta charset="utf-8">
<title>小学三年级教材</title>
<link rel="stylesheet" href="./style.css">
<script src="//unpkg.com/vue/dist/vue.js"></script>
<script src="//unpkg.com/vue-router@3.1.5/dist/vue-router.js"></script>
<script src="//unpkg.com/vuex@3.1.2/dist/vuex.js"></script>
<script src="//unpkg.com/element-ui@2.13.0/lib/index.js"></script>
<div id="app">
    <el-row :gutter="20">
        <el-col :span="4">
            <div class="grid-content bg-purple">
                <el-tree
                        class="scroll1"
                        style="max-height: 100vh;overflow: auto;"
                        ref="tree"
                        :highlight-current="true"
                        :current-node-key="currentNodeKey"
                        node-key="id"
                        :default-expanded-keys="expandKeys"
                        :data="data"
                        :props="defaultProps"
                        @node-click="handleNodeClick"
                ></el-tree>
            </div>
        </el-col>
        <el-col :span="20">
            <router-view></router-view>
        </el-col>
    </el-row>
</div>
<script src="script.js"></script>
</body>
</html>
